Apparatus for reducing wrinkles in moving web
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United States of America Patent
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Jun 21, 2016
Grant Date -
Jun 16, 2016
app pub date -
Dec 15, 2014
filing date -
Dec 15, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A print media moving apparatus includes a vacuum assembly positioned immediately upstream relative to a roller. The vacuum assembly has an arcuate surface including three sections with the second section located between the first and third sections. The arcuate surface includes an extremum in the second section. The roller, having a diameter and rotational axis, includes three sections with the second section located between the first and third section as viewed along the rotational axis. The diameter of the roller in the first and third sections is greater than in the second section. The three sections of the vacuum assembly correspond to the three sections of the roller such that the contour of the arcuate surface causes the print media, after leaving the vacuum assembly, to contact the first and third sections of the roller prior to contacting the second section of the roller.
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